Wiseco 40048M08300 Forged Piston Kit 83mm Bore 8.4:1 CR Kawasaki Ultra 260 PWC

The Wiseco 40048M08300 is a forged piston kit engineered for the Kawasaki 1498cc four-stroke personal watercraft engine. Featuring a standard 83mm bore and an 8.4:1 compression ratio, this kit is built to deliver reliable performance during top-end rebuilds on the Kawasaki Ultra 260 series PWC.

Kit Includes:

• Forged aluminum piston
• Wiseco proprietary piston rings
• Wrist pin
• Circlips

Key Features:

• Forged High-Silicon Aluminum Construction — Wiseco pistons are forged from high-silicon, low-expansion aluminum alloy, delivering superior strength, reduced weight, improved heat transfer, and extended service life compared to cast alternatives
• CNC Diamond-Turned Finish — Each piston is machined on precision CNC turning centers for a perfect finish with tight dimensional consistency and no size variation
• Universal Cylinder Compatibility — Compatible with all common cylinder bore compositions including cast iron, chrome, Nikasil, and boron composite
• Engineered and Manufactured in the USA — Backed by Wiseco's 80+ years of forged piston expertise in the powersports performance industry
• Oversize Options Available — Wiseco offers a wide range of oversize pistons to restore worn cast iron lined cylinders; replacement sleeves allow chrome, Nikasil, and boron composite cylinders to be re-sleeved to accept oversizes

Wiseco forged PWC piston kits are specifically designed to handle the high RPM demands and harsh operating conditions typical of personal watercraft use. The 40048M08300 is an ideal replacement for a stock rebuild or a straightforward performance upgrade on the Kawasaki Ultra 260 platform.